Sigma Force

Series contains 18 primary works and has 23 total works. Current series reading order on below.

Sigma Force is an elite covert arm of the US Defense Department made up of former Special Forces officers trained as experts in various scientific fields.

Updated January 6, 2023

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⧗ 9.00 / 1

⧗ 8.00 / 1

Sigma Force Book 18

James Rollins
Release 2024

⧗ 8.00 / 1

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Speculative Fiction Novels

Sandstorm (Sigma Force #1 / 18)

2004 | science fiction, thriller, adventure

Map of Bones (Sigma Force #2 / 18)

2005 | science fiction, thriller, adventure

Black Order (Sigma Force #3 / 18)

2006 | science fiction, thriller, adventure

The Judas Strain (Sigma Force #4 / 18)

2007 | science fiction, thriller, adventure

The Last Oracle (Sigma Force #5 / 18)

2008 | science fiction, thriller, adventure

The Doomsday Key (Sigma Force #6 / 18)

2009 | science fiction, thriller, adventure

The Devil Colony (Sigma Force #7 / 18)

2010 | science fiction, thriller, adventure

Bloodline (Sigma Force #8 / 18)

2012 | science fiction, thriller, adventure

The Eye of God (Sigma Force #9 / 18)

2013 | science fiction, thriller, adventure

The 6th Extinction (Sigma Force #10 / 18)

2014 | science fiction, thriller, adventure

The Bone Labyrinth (Sigma Force #11 / 18)

2015 | science fiction, thriller, adventure

The Seventh Plague (Sigma Force #12 / 18)

2016 | science fiction, thriller, adventure

The Demon Crown (Sigma Force #13 / 18)

2017 | science fiction, thriller, adventure

Crucible (Sigma Force #14 / 18)

2019 | science fiction, thriller, adventure

The Last Odyssey (Sigma Force #15 / 18)

2020 | science fiction, thriller, adventure

Kingdom of Bones (Sigma Force #16 / 18)

2021 | science fiction, thriller, adventure

Tides of Fire (Sigma Force #17 / 18)

2023 | science fiction, thriller, adventure

Sigma Force Book 18 (Sigma Force #18 / 18)

2024 | science fiction, thriller, adventure | Release date 2024

The Skeleton Key (Sigma Force)

2011 | science fiction, thriller, adventure

Tracker (Sigma Force)

2012 | science fiction, thriller, adventure

The Midnight Watch (Sigma Force)

2015 | science fiction, thriller, adventure

Crash and Burn (Sigma Force)

2016 | science fiction, thriller, adventure

Ghost Ship (Sigma Force)

2017 | science fiction, thriller, adventure